All Green-Qube and Roof-Qube grow tents have diamond Mylar outer shells but lots of people have been asking – “What is diamond Mylar?” and “Is it any good?”.  If you are looking for less hotspots, keen to maximise your yield and want to save money with a more efficient grow tent then Diamond Mylar is definitely what you are looking for.

So I thought it would be worth passing on our wisdom about exactly what Diamond Mylar is so you know what you are investing in when purchasing a Green-Qube grow tent.  So are you sitting comfortably? Then I’ll begin….!

Mylar – uh?

So here is the technical stuff, Mylar is the trade name for BoPET (Biaxially-oriented polyethylene terephthalate) – and that is why we always refer to it as Mylar.  It’s a lot easier! It is a polyester film made from stretched polyethylene terephthalate (PET) and has many amazing properties.  Most of these make it perfect for hydroponic grow tents which is why we use it!

High tensile strength:

Making the Green-Qube grow tent outer shell exceptionally strong and durable meaning that tears are less likely so that your grow tent will last longer than other grow tents

Chemical stability

No leaks and the outer shell won’t break down under extreme heat or light

Dimensional stability

This means that Green-Qube’s outer shells are easier to handle and more resistant to creasing than any other sheeting


Highly reflective so that you have optimum grow potential and maximise the light within your grow tent

Gas and aroma barrier properties

Smells will not permanate Mylar so Green-Qube grow tents are smell-proof

Electrical insulation

Any type of insulation means that you can temperature control your Green-Qube grow tent optimally


So What’s The “Diamond” Bit All About?

There are different types of Mylar.  Green-Qube grow tents have diamond cut Mylar.  The most light reflective type of Mylar. This means that tiny diamonds imprinted on the Mylar. So why is this important?

No More Hot Spots

The Diamonds spread light evenly, giving superior light dispersal. This is actually really, really important in hydroponics as it stops hot spots which standard reflective material always have.  This leads to uneven crops as light is concentrated on a few small areas rather than the whole of your grow tent. Hot spots can also sometimes damage plants and effect yield so to eradicate these is a big bonus that other materials just can’t do.

99% Light Reflectivity

One of the main reasons why Green-Qube decided to use Diamond Mylar for all of its grow tents as it offers unsurpassed reflectivity. Diamond cut Mylar reflects 99% of light. You can’t get much better than that!

Light is precious and you will want to maximise usable light from your grow lights. stray light to be redirected towards your plants Some people use reflective sheeting, Diamond Mylar is 50% more reflective!

All Green-Qube and Roof-Qube grow tents are made using Mylar giving you the ultimate in reflectivity leading to highly productive grows.

Save Cash

In Green-Qube grow tents, the diamonds in the Mylar redirect all stray light towards your plants giving your plants the most light you can possibly give them but also making your grow tent exceptionally efficient.  As it increases light intensity it not only maximises your yield but it also saves you money. If you are looking and to have a highly efficient tent set up then Mylar really is the only option.